Three of the best celebrity fitness workout apps

Let Jessica Ennis-Hill, Chris Hemsworth and Davina McCall help you reach your full potential • Fit in my 40s: does Cindy Crawford's 90s fitness video stand the test of time? Jennis by Jessica Ennis-HillThere aren't many opportunities to train with a two-time Olympic gold medallist but this app promises expert nutritional advice and workouts for all levels, including for expectant and post-partum mothers; something Ennis-Hill (left) believed was missing when she had her two children. Workouts c...